Base | Representation |
---|---|
bin | 10110100010100100… |
… | …01001101111011110 |
3 | 1011020100102011022120 |
4 | 23101102021233132 |
5 | 144240342144410 |
6 | 5320441123410 |
7 | 605606626656 |
oct | 132122115736 |
9 | 34210364276 |
10 | 12101131230 |
11 | 514a856001 |
12 | 2418789566 |
13 | 11ab0b31a6 |
14 | 82b225366 |
15 | 4ac59a570 |
hex | 2d1489bde |
12101131230 has 16 divisors (see below), whose sum is σ = 29042715024. Its totient is φ = 3226968320.
The previous prime is 12101131153. The next prime is 12101131253. The reversal of 12101131230 is 3213110121.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201685491 + ... + 201685550.
It is an arithmetic number, because the mean of its divisors is an integer number (1815169689).
Almost surely, 212101131230 is an apocalyptic number.
12101131230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12101131230 is an abundant number, since it is smaller than the sum of its proper divisors (16941583794).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12101131230 is a wasteful number, since it uses less digits than its factorization.
12101131230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 403371051.
The product of its (nonzero) digits is 36, while the sum is 15.
Adding to 12101131230 its reverse (3213110121), we get a palindrome (15314241351).
The spelling of 12101131230 in words is "twelve billion, one hundred one million, one hundred thirty-one thousand, two hundred thirty".
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